February - Bethesda announces early beta access to Doom 4 as a pre-order bonus for Wolfenstein: The New Order, with stipulation that the game was not yet ready for testing and that participants will be contacted later.

May 1 - ZeniMax Media releases public accusations against John Carmack and Oculus VR, claiming the latter have made use of stolen intellectual property. Carmack fires back several tweets flatly denying their claims.[5][6]

May 5 - Oculus VR releases a public refutation of the claims made by ZeniMax.[7]

May 21 - ZeniMax Media and id Software file suit against Oculus VR in the U.S. District Court for the Northern District of Texas.[8]

June 13 - Bethesda exhibits a "teaser trailer" for Doom 4 at E3, with promise of a soon-to-follow reveal. After a few days, it was clarified that the reveal would be exclusive to attendees of the upcoming QuakeCon 2014.

July 17 - Bethedsa and id Software display the Doom 4 reveal to QuakeCon attendees, featuring live game play.

September 29 - Doom 4 appears as a pre-order item on Amazon.com, with a tentative release date of December 31, 2015.